Radio RF Wifi Circuit Diagrams
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RFID Based Attendance System – Circuit, Working, Source Code
We’ve used an 8051 microcontroller and an AVR (ATmega 8) Mirocontroller to construct two separate RFID-based Attendance system projects in…
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Single Chip FM Radio Circuit
We’re making a Single Chip FM Radio in this project. The TDA7000 digital IC is at the heart of this…
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Software-defined Valve Radio Schematic Circuit Diagram
Software-defined radio (SDR) is all the rage. The idea is this: a very simple radio receiver is given topof- the-range…
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Radio Control Signal Frame-rate Divider Schematic Circuit Diagram
Model radio-control equipment has evolved considerably over the years, and the humble servo has grown from the 1.5 ms at…
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Single-Chip VHF RF Preamp Schematic Circuit Diagram
Here is a high performance RF amplifier for the entire VHF broadcast and PMR band (100-175 MHz) which can be…
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Solid State Voice Recorder
A solid-state recorder (SSR) is a recording device that uses solid-state technology to store recorded audio data. SSRs record and…
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